Granted Patent
Utility
US 4,281,701 · App. 06/121,842
Vehicle tire having run flat insert
Inventor:
William C. Ross
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Feb 15, 1980
Inventor
William C. Ross
Assignee (at issue)
W. R. Grace & Co.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.